Question

a^2+ 7a + 3a + 21 factorise​

Answer 1

Step-by-step explanation:

${a}^{2} + 7a + 3a + 21 \\ a(a + 7) + 3(a + 7) \\ (a + 7)(a + 3)$

I hope it helps you

Answer 2

${\purple{\boxed{\underline{QUESTION}}}}$

a^2+ 7a + 3a + 21 factorise

${\blue{\boxed{\underline{ANSWER}}}}$

=10a³+21

${\pink{\boxed{\large{\underline{EXPLAINATION:}}}}}$

${ =a²+7a+3a+21 }$

${ =a²+10a+21}$

${ =10a³+21(UnlikeTerms)}$

Quadratic Equation isn't performed here as there is no = 0

I hope I am right and

${Hopefully}$ ${it}$ ${helps!! }$

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